package com.example.administrator.myapplication;

import android.content.Context;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by Administrator on 2020/12/3.
 */

public class FileSaveQQ {
    public static boolean saveUserInfo(Context context, String account, String password) {
        FileOutputStream fos = null;

            try {
                fos = context.openFileOutput("data.txt", Context.MODE_PRIVATE);
                fos.write((account + ":" + password).getBytes());
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            } finally {
                try {
                    if (fos != null) {
                        fos.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }
        public static Map<String, String> getUserInfo(Context context){
        String content="";
        FileInputStream fis=null;
        try {
            fis=context.openFileInput("data.txt");
            byte[] buffer=new byte[fis.available()];
            fis.read(buffer);
            content=new String(buffer);
            Map<String,String>userMap=new HashMap<String, String>();
            String[] infos=content.split(":");
            userMap.put("account",infos[0]);
            userMap.put("password",infos[1]);
            return userMap;

        }catch (Exception e){
            e.printStackTrace();
            return null;
        }finally {
            try {
                if (fis!=null){
                    fis.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }
        }

    }